Finding the Fourth Proportional to 134,890.99, 202,336.35 and 40,120.80
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Solution
The fourth proportional to 134,890.99, 202,336.35 and 40,120.80 is: 60,181.16
Step by Step Solution
- Step 1: Write the proportion equation
134,890.99 : 202,336.35 = 40,120.80 : x - Step 2: Convert to fraction form
134,890.99/202,336.35 = 40,120.80/x - Step 3: Cross multiply
134,890.99x = 202,336.35 × 40,120.80 - Step 4: Simplify right side
134,890.99x = 8,117,896,231.08 - Step 5: Solve for x
x = 8,117,896,231.08/134,890.99 - Step 6: Final answer
x = 60,181.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.